CN210091874U - Distribution transformer of external heat dissipation module - Google Patents
Distribution transformer of external heat dissipation module Download PDFInfo
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- CN210091874U CN210091874U CN201921319511.4U CN201921319511U CN210091874U CN 210091874 U CN210091874 U CN 210091874U CN 201921319511 U CN201921319511 U CN 201921319511U CN 210091874 U CN210091874 U CN 210091874U
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Abstract
The utility model discloses an external heat dissipation module's distribution transformer relates to transformer technical field, including transformer tank and heat dissipation case, transformer tank has first oil pipe, second to go out oil pipe and returns the first oil pipe of oil pipe and second and go out oil pipe and be linked together with the house steward that produces oil respectively. The transformer oil tank is internally provided with a temperature sensor which is electrically connected with a controller, and the controller is electrically connected with an oil pump and a driving motor; set up two oil-outs at transformer tank, when temperature sensor monitoring oil temperature was higher, the accessible controller realized opening the automation of second oil-out to make first oil-out and second oil-out produce oil simultaneously, the radiating transformer oil's of cooling volume is treated in the increase, promotes the radiating efficiency to the transformer oil in the transformer tank.
Description
Technical Field
The utility model relates to a transformer technical field, concretely relates to distribution transformer of external heat dissipation module.
Background
The iron core of the oil-immersed distribution transformer is immersed in transformer oil, and the transformer oil plays roles of insulation and cooling. After the transformer runs for a long time, the temperature of the transformer oil rises, the transformer oil needs to be cooled and dissipated, the normal running of the transformer is guaranteed, the transformer oil is usually pumped out and dissipated through an external heat sink and then flows back into the transformer oil tank, the heat dissipation efficiency of the heat dissipation mode is low, and the labor intensity of operators is increased through manual control.
SUMMERY OF THE UTILITY MODEL
For solving the prior art problem, the utility model discloses a lateral wall at transformer tank sets up two oil-outs, when the transformer oil that has taken out through an oil-out of temperature sensor monitoring carries out the oil temperature after the heat dissipation still higher, accessible controller control motor starts, the motor drives gear rotation, make the slide bar move left then, make the dog that links to each other with the slide bar leave the second oil-out, realize the automation of second oil-out and open, thereby make first oil-out and second oil-out produce oil simultaneously, the cooling radiating transformer oil's volume is treated in the increase, promote the radiating efficiency to the transformer oil in the transformer tank, guarantee the normal operating of transformer. Meanwhile, the heat dissipation of the transformer oil is fully automatically controlled, and the labor intensity of operators is reduced.
The utility model discloses specifically adopt following technical scheme:
a distribution transformer of an external heat radiation module comprises a transformer oil tank and a heat radiation box positioned outside the transformer oil tank;
an iron core is fixedly arranged in the transformer oil tank;
a first oil outlet, a second oil outlet and an oil return port are formed in one side wall of the transformer oil tank, one end of the first oil outlet is communicated with one end of a first oil outlet pipe, the second oil outlet is communicated with one end of a second oil outlet pipe, the oil return port is communicated with one end of an oil return pipe, the other end of the first oil outlet pipe is communicated with one end of an oil outlet header pipe, the other end of the second oil outlet pipe is communicated with one end of the oil outlet header pipe, the other end of the oil outlet header pipe extends into the heat dissipation box, the other end of the oil return pipe extends into the heat dissipation box, the oil return pipe is located below the oil outlet header pipe, hollow cooling fins are arranged in the heat dissipation box, and the oil outlet header pipe is connected with the oil return pipe through a plurality of cooling fins; the oil return pipe positioned outside the heat dissipation box is connected with an oil pump and an oil filtering device; an oil inlet of the oil pump is connected with an outlet end of the oil filtering device;
the transformer oil tank is provided with the second oil outlet opening and closing device, the second oil outlet opening and closing device comprises a gear, a sliding rod, a sleeve and a cross rod, a rotating shaft penetrates through the center of the gear, one end of the rotating shaft is fixed on the side surface of the cross rod through a bearing seat, and the other end of the rotating shaft is connected with an output shaft of a driving motor; the middle part of the sliding rod is slidably connected in the sleeve, the sleeve is fixed at the lower end of the cross rod through a support, a rack meshed with the gear is arranged at the front end of the sliding rod, and a stop block used for blocking the second oil outlet is fixedly connected to the tail end of the sliding rod; the two ends of the cross bar are fixedly connected with the two inner side walls of the transformer oil tank,
the transformer oil tank inner side wall is fixedly provided with a temperature sensor, the signal output end of the temperature sensor is electrically connected with a controller, the output end of the controller is respectively and electrically connected with the oil pump and the driving motor, the controller is arranged in the control box, and the control box is fixed on the outer side wall of the transformer oil tank.
The further scheme is that the pipe diameter of the oil outlet main pipe is larger than the sum of the pipe diameter of the first oil outlet pipe and the pipe diameter of the second oil outlet pipe.
The scheme is that a fan is arranged next to the heat dissipation box, an air outlet of the fan is connected with one end of a pipeline, the other end of the pipeline extends to the inside of the heat dissipation box, and a heat dissipation opening is formed in the upper end of the heat dissipation box.
Further, the fan is electrically connected with the output end of the controller.
Further, the driving motor is fixed on the outer surface of the transformer oil tank.
Further, the oil filtering device comprises a first filter element and a second filter element, and the second filter element is positioned between the first filter element and the oil pump; the first filter element is a glass fiber filter layer filter element, and the second filter element is a super-hydrophobic separation filter membrane filter element.
Further, the lower end of the second filter element is fixedly provided with a water collecting tank.
The oil conservator is fixedly arranged at the upper end of the transformer oil tank and communicated with the transformer oil tank through an oil pipeline.
The transformer oil tank, the oil pump, the heat dissipation box and the fan are all fixed on the base.
The utility model has the advantages that:
set up two oil-outs through the lateral wall at transformer tank, when the transformer oil that has taken out through an oil-out as temperature sensor monitoring carries out the oil temperature after the heat dissipation still higher, accessible controller control motor starts, the motor drives the gear and rotates, then make the slide bar move left, make the dog that links to each other with the slide bar leave the second oil-out, realize the automation of second oil-out and open, thereby make first oil-out and second oil-out produce oil simultaneously, the radiating transformer oil's of cooling volume is treated in the increase, promote the radiating efficiency to the transformer oil in the transformer tank, guarantee the normal operating of transformer. Meanwhile, the heat dissipation of the transformer oil is fully automatically controlled, and the labor intensity of operators is reduced;
the two-stage filtering device is arranged on the oil return pipe, so that impurities such as small solid particles and jelly in the transformer oil after heat dissipation and water in the transformer oil are removed, and the insulativity of the transformer oil is ensured;
the fan is arranged outside the heat dissipation box, cold air is blown into the heat dissipation box through the fan, heat in the heat dissipation box is discharged through the heat dissipation port, and the cooling and heat dissipation effects of the transformer oil in the heat dissipation box are further improved.
Drawings
Fig. 1 is a schematic structural diagram of a distribution transformer of an external heat dissipation module according to an embodiment of the present invention;
the attached drawings are marked as follows: 1-transformer oil tank; 10-an iron core; 11-conservator; 2-a heat dissipation box; 20-a heat sink; 21-a heat dissipation port; 30-a first oil outlet pipe; 31-a second oil outlet pipe; 32-an oil return pipe; 33-oil outlet main pipe; 4-an oil pump; 50-gear; 51-a slide bar; 511-rack; 52-a sleeve; 53-a cross-bar; 54-a rotating shaft; 55-a drive motor; 56-a bracket; 57-a stop block; 6-temperature sensor; 60-a control box; 7-a fan; 80-a first cartridge; 81-a second filter element; 811-water collection tank; 9-base.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, an embodiment of the present invention discloses a distribution transformer of an external heat dissipation module, which includes a transformer oil tank 1 and a heat dissipation tank 2 located outside the transformer oil tank 1, wherein an iron core 10 is fixedly disposed inside the transformer oil tank 1; a first oil outlet, a second oil outlet and an oil return port are arranged on one side wall of the transformer oil tank 1, one end of the first oil outlet is communicated with one end of a first oil outlet pipe 30, the second oil outlet is communicated with one end of a second oil outlet pipe 31, the oil return port is communicated with one end of an oil return pipe 32, the other end of the first oil outlet pipe 30 is communicated with one end of an oil outlet main pipe 33, the other end of the second oil outlet pipe 31 is communicated with one end of an oil outlet main pipe 33, the other end of the oil outlet main pipe 33 extends into the heat dissipation box 2, the other end of the oil return pipe 32 extends into the heat dissipation box 2, the oil return pipe 32 is located below the oil outlet main pipe 33, hollow cooling fins 20 are arranged in the heat dissipation box 2, and the oil outlet main pipe 33 is connected with the oil return pipe 32 through; the oil return pipe 32 positioned outside the heat radiation box 2 is connected with an oil pump 4 and an oil filtering device; and the oil inlet of the oil pump 4 is connected with the outlet end of the oil filtering device; the transformer oil tank 1 is provided with a second oil outlet opening and closing device, the second oil outlet opening and closing device comprises a gear 50, a sliding rod 51, a sleeve 52 and a cross rod 53, the center of the gear 50 is connected with a rotating shaft 54 in a penetrating manner, one end of the rotating shaft 54 is fixed on the side surface of the cross rod 53 through a bearing seat, and the other end of the rotating shaft 54 is connected with an output shaft of a driving motor 55; the middle part of the sliding rod 51 is connected in the sleeve 52 in a sliding manner, the sleeve 52 is fixed at the lower end of the cross rod 53 through the bracket 56, the front end of the sliding rod 51 is provided with a rack 511 meshed with the gear 50, and the tail end of the sliding rod 51 is fixedly connected with a stop 57 used for blocking the second oil outlet; the two ends of the cross rod 53 are fixedly connected with the two inner side walls of the transformer oil tank 1, the temperature sensor 6 is fixedly arranged on the inner side wall of the transformer oil tank 1, the signal output end of the temperature sensor 6 is electrically connected with a controller, the output end of the controller is respectively electrically connected with the oil pump 4 and the driving motor 55, the controller is arranged in the control box 60, and the control box 60 is fixed on the outer side wall of the transformer oil tank 1. When the transformer starts to operate, the stop block blocks the second oil outlet, the controller controls the oil pump to start, the oil pump pumps transformer oil in a transformer oil tank out of the first oil outlet, the pumped transformer oil sequentially passes through the first oil outlet pipe and the oil outlet header pipe and enters the heat dissipation tank, the transformer oil is cooled and dissipated by a plurality of heat dissipation fins, the transformer oil after heat dissipation flows back into the transformer oil tank through the oil return pipe, heat dissipation of the transformer oil is realized by an external heat sink, when the temperature of the transformer oil after heat dissipation is still high and is monitored by the temperature sensor, the temperature sensor sends a signal to the controller, the controller controls the driving motor to start, the driving motor drives the rotating shaft and the gear connected with the rotating shaft to rotate clockwise, the clockwise rotating gear drives the slide bar with the front end meshed with the gear to move leftwards, and drives the stop block connected with the tail end of the slide bar to, the first oil outlet and the second oil outlet simultaneously discharge oil and enter the oil discharge header pipe and then enter the heat dissipation box for heat dissipation, the oil is dissipated and flows back to the transformer oil tank, the cooling heat dissipation circulation quantity of the transformer oil is increased through automatic control, the cooling circulation of the transformer oil is accelerated, the heat dissipation efficiency of the transformer oil is improved, and the normal operation of the transformer is guaranteed.
In the present embodiment, the pipe diameter of the oil outlet header pipe 33 is larger than the sum of the pipe diameter of the first oil outlet pipe 30 and the pipe diameter of the second oil outlet pipe 31. The oil outlet main pipe can contain the transformer oil which is simultaneously injected from the first oil outlet pipe and the second oil outlet pipe.
In this embodiment, a fan 7 is disposed next to the heat dissipation box 2, an air outlet of the fan 7 is connected with one end of a pipeline, the other end of the pipeline extends to the inside of the heat dissipation box 2, and a heat dissipation port 21 is disposed at the upper end of the heat dissipation box 2. The cold air is blown into the heat dissipation box through the fan, and the heat in the heat dissipation box is discharged through the heat dissipation port, so that the cooling and heat dissipation effects of the transformer oil in the heat dissipation box are further improved.
In the present embodiment, the blower 7 is electrically connected to the output of the controller. The starting and stopping of the fan can be controlled through the controller, and the automatic control of the fan is realized.
In the present embodiment, the driving motor 55 is fixed on the outer surface of the transformer tank 1. The driving motor is stably fixed.
In the present embodiment, the oil filtering device includes a first filter element 80 and a second filter element 81, the second filter element 81 being located between the first filter element 80 and the oil pump 4; the first filter element 80 is a glass fiber filter layer filter element, and the second filter element 81 is a super-hydrophobic separation filter membrane filter element. The transformer oil after cooling and heat dissipation passes through the first filter element, and the impurities such as small solid particles and jelly in the transformer oil are filtered, and then the water and the oil in the transformer oil are separated through the second filter element, so that the water and the impurities of the transformer oil are thoroughly removed, and the insulativity of the transformer oil is ensured.
In this embodiment, a water collection tank 811 is fixedly provided at the lower end of the second filter element 81. And the water in the transformer oil is separated by the second filter element and then flows into a water collecting tank for collection.
In this embodiment, an oil conservator 11 is fixedly disposed at the upper end of the transformer oil tank 1, and the oil conservator 11 is communicated with the transformer oil tank 1 through an oil pipeline. Through setting up the conservator and pouring into transformer oil in the conservator, transformer oil utilizes the dead weight to flow to transformer tank's inside through oil pipeline, guarantees the uninterrupted supply of transformer oil in the transformer tank.
In the present embodiment, the transformer tank 1, the oil pump 4, the heat dissipation tank 2, and the fan 7 are fixed to the base 9. The base is arranged to play a role in fixing and supporting the transformer oil tank, the oil pump, the heat dissipation box and the fan.
Finally, only the specific embodiments of the present invention have been described in detail. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art to the present invention are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (9)
1. The utility model provides a distribution transformer of external heat dissipation module, includes transformer tank (1) and is located outside heat dissipation case (2) of transformer tank (1), its characterized in that:
an iron core (10) is fixedly arranged in the transformer oil tank (1);
the transformer oil tank is characterized in that a first oil outlet, a second oil outlet and an oil return port are formed in one side wall of the transformer oil tank (1), one end of the first oil outlet is communicated with one end of a first oil outlet pipe (30), the second oil outlet is communicated with one end of a second oil outlet pipe (31), the oil return port is communicated with one end of an oil return pipe (32), the other end of the first oil outlet pipe (30) is communicated with one end of an oil outlet header pipe (33), the other end of the second oil outlet pipe (31) is communicated with one end of the oil outlet header pipe (33), the other end of the oil outlet header pipe (33) extends to the inside of the heat dissipation box (2), the other end of the oil return pipe (32) extends to the inside of the heat dissipation box (2), the oil return pipe (32) is located below the oil outlet header pipe (33), and hollow heat dissipation fins (20) are arranged inside the heat dissipation box (2), the oil outlet main pipe (33) is connected with the oil return pipe (32) through a plurality of radiating fins (20); the oil return pipe (32) positioned outside the heat dissipation box (2) is connected with an oil pump (4) and an oil filtering device; an oil inlet of the oil pump (4) is connected with an outlet end of the oil filtering device;
the transformer oil tank (1) is provided with the second oil outlet opening and closing device, the second oil outlet opening and closing device comprises a gear (50), a sliding rod (51), a sleeve (52) and a cross rod (53), a rotating shaft (54) penetrates through the center of the gear (50), one end of the rotating shaft (54) is fixed on the side surface of the cross rod (53) through a bearing seat, and the other end of the rotating shaft (54) is connected with an output shaft of a driving motor (55); the middle part of the sliding rod (51) is connected into the sleeve (52) in a sliding manner, the sleeve (52) is fixed at the lower end of the cross rod (53) through a support (56), a rack (511) meshed with the gear (50) is arranged at the front end of the sliding rod (51), and a stop block (57) used for blocking the second oil outlet is fixedly connected to the tail end of the sliding rod (51); the two ends of the cross bar (53) are fixedly connected with the two inner side walls of the transformer oil tank (1),
the fixed temperature sensor (6) that is provided with of transformer tank (1) inside wall, the signal output part electricity of temperature sensor (6) is connected with the controller, the output of controller is connected with respectively the electricity oil pump (4) with driving motor (55), the controller sets up in control box (60), control box (60) are fixed on the lateral wall of transformer tank (1).
2. The distribution transformer of the external heat dissipation module of claim 1, wherein:
the pipe diameter of the oil outlet main pipe (33) is larger than the sum of the pipe diameter of the first oil outlet pipe (30) and the pipe diameter of the second oil outlet pipe (31).
3. The distribution transformer of the external heat dissipation module of claim 1, wherein:
the next-door neighbour heat dissipation case (2) are provided with fan (7), the air outlet of fan (7) is connected with the one end of pipeline, the other end of pipeline extends to the inside of heat dissipation case (2), the upper end of heat dissipation case (2) is provided with thermovent (21).
4. The distribution transformer of the external heat dissipation module of claim 3, wherein:
the fan (7) is electrically connected with the output end of the controller.
5. The distribution transformer of the external heat dissipation module of claim 1, wherein:
the driving motor (55) is fixed on the outer surface of the transformer oil tank (1).
6. The distribution transformer of the external heat dissipation module of claim 1, wherein:
the oil filtering device comprises a first filter element (80) and a second filter element (81), the second filter element (81) is positioned between the first filter element (80) and the oil pump (4); the first filter element (80) is a glass fiber filter layer filter element, and the second filter element (81) is a super-hydrophobic separation filter membrane filter element.
7. The distribution transformer of the external heat dissipation module of claim 6, wherein:
and a water collecting tank (811) is fixedly arranged at the lower end of the second filter element (81).
8. The distribution transformer of the external heat dissipation module of claim 1, wherein:
the transformer oil tank (1) upper end is fixed and is provided with an oil conservator (11), the oil conservator (11) is communicated with the transformer oil tank (1) through an oil pipeline.
9. The distribution transformer of the external heat dissipation module of claim 3, wherein:
the transformer oil tank (1), the oil pump (4), the heat dissipation box (2) and the fan (7) are all fixed on the base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319511.4U CN210091874U (en) | 2019-08-14 | 2019-08-14 | Distribution transformer of external heat dissipation module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319511.4U CN210091874U (en) | 2019-08-14 | 2019-08-14 | Distribution transformer of external heat dissipation module |
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| Publication Number | Publication Date |
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| CN210091874U true CN210091874U (en) | 2020-02-18 |
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| CN201921319511.4U Active CN210091874U (en) | 2019-08-14 | 2019-08-14 | Distribution transformer of external heat dissipation module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460492A (en) * | 2022-04-13 | 2022-05-10 | 常州三恒电器有限公司 | Electric leakage detection mutual inductor |
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2019
- 2019-08-14 CN CN201921319511.4U patent/CN210091874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460492A (en) * | 2022-04-13 | 2022-05-10 | 常州三恒电器有限公司 | Electric leakage detection mutual inductor |
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